Knowledge Vault [Legends] Human Advisor Players can't play lands as

Players can't play lands as long as ten or more lands are on the battlefield

Set: Eldritch Moon Type: Creature — Snake Rarity: Uncommon Cost: {1}{G} Reach

" —Balduvian tavern song

"Argoth's doom rained from a clear sky

Knowledge Vault [Legends] Human Advisor Players can't play lands asSet: Legends Type: Artifact Rarity: Rare Cost: {4} {2}, {T}: Exile the top card of your library face down. {0}: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled with Knowledge Vault into their owner's hand. When Knowledge Vault leaves the battlefield, put all cards exiled with Knowledge Vault into their owner's graveyard.